Error Code
low
Rational iCombi Pro – Error 19: Change SD card
On your iCombi Pro unit, error code 19 indicates a requirement to change the SD card. This is often necessary for system updates, logging,…
Rational Error Codes
Select Rational Model Series
Code List – 176 error codes found
Error Code
high
Rational iCombi Pro – Error 17: Control System Error – Recovery Software Required
On your iCombi Pro unit, error code 17 signifies a critical control system malfunction, often indicating corrupt firmware or software requiring specialized recovery. This…
Error Code
low
Rational iCombi Pro – Error 16: Software Update of the Board
On your iCombi Pro unit, error code 16 indicates that a software update for one or more internal control boards is required. This is…
Error Code
high
Rational iCombi Pro – Error 14: Level Electrode, Water Conductivity Fault
On your iCombi Pro unit, Error Code 14 indicates an issue with the steam generator's level electrode or water conductivity. This typically means the…
Error Code
medium
Rational iCombi Pro – Error 13: Change Level Electrode
On your iCombi Pro unit, error code 13 indicates a problem with the level electrode in the steam generator. This sensor monitors the water…
Error Code
medium
Rational iCombi Pro – Error 12: CDS Sensor Fault
On your iCombi Pro unit, error code 12 indicates a fault with the CDS (Conductivity Detection System) sensor. This sensor is crucial for monitoring…
Error Code
high
Rational iCombi Pro – Error 11: Level Electrode, CDS Sensor Flow Rate, or I/O Board Fault
On your iCombi Pro unit, Error Code 11 indicates an issue with the level electrode, the CDS sensor's flow rate, or a fault on…
Error Code
high
Rational iCombi Pro – Error 76.xx: Service – Control System and Power Supply Communication Error
On your iCombi Pro unit, error code 76.xx indicates critical internal system faults related to voltage supply, control board integrity, or communication channels. These…
Error Code
medium
Rational iCombi Pro – Error 10: SC Pump, Combi Water Box, Or Pump-Off Hose System Fault
On your iCombi Pro unit, Error Code 10 indicates a malfunction within the ServiceCare (SC) pump, the Combi water box, or issues with the…
Error Code
high
Rational iCombi Pro – Error (20|30|40): Fan Speed Deviation From Setpoint Too High
On your iCombi Pro unit, error code (20|30|40) indicates the fan's actual speed deviates excessively from its commanded setpoint. This often points to a…
Error Code
high
Rational iCombi Pro – Error (19|29|39): Burner Goes Out Five Times During the Burning Phase
On your iCombi Pro unit, error codes 19, 29, or 39 indicate a repeated failure of the burner to maintain ignition during the burning…
Error Code
high
Rational iCombi Pro – Error (22 | 32 | 42): Unsuccessful Ignition Process (5x)
On your iCombi Pro unit, error codes 22, 32, or 42 indicate the gas burner failed to ignite after five attempts. This often points…